Department Of Transportation Uniform Tire Quality Grades

The following tire grading categories were established by the National Highway Traffic Safety Administration. The specific grade rating assigned by the tire’s manufacturer in each category is shown on the sidewall of the tires on your vehicle.

All passenger car tires must conform to Federal safety requirements in addition to these grades.

See also:

Winter Operation
Use of the air Recirculation Mode during winter months is not recommended because it may cause window fogging. ...

Lights
All of the lights, except the Hazard Warning lights, headlight high beams and flash-to-pass, are controlled by switches to the left of the steering column on the instrument panel. Headlight S ...

Traction
When driving on wet or slushy roads, it is possible for a wedge of water to build up between the tire and road surface. This is hydroplaning and may cause partial or complete loss of vehicle con ...